Usage:
/Richmond Till (IN,OH)
[Preoccupied. Name previously applied to Richmond group of Winchell and Ulrich (1897), which was later abandoned as rock-stratigraphic term and used exclusively as formal Stage by the State Surveys and the USGS. See Richmond Group.]
Geologic age:
Quaternary
Pleistocene
Illinoian
Type section, locality, area and/or origin of name:
Type section: Wildman Farm section, which is composite of three nearby (0.1 mi) exposures along south bank of small stream in NE/4 sec. 33, T. 16 N., R. 14 E., Wayne Co., southeastern IN. Named from Richmond, largest town in vicinity (Gooding, 1963).
AAPG geologic province:
Cincinnati arch
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).